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www.khanacademy.org/math/in-sixth-grade-math/fractions-1/addition-subtraction-fractions/v/subtracting-fractions-with-unlike-denominators

If you conquered adding fractions with different denominators, then

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There are 3 simple steps to

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Feb 12, 2014 ... Subtracting Fractions with different denominators can be done mentally both
accurately and rapidly using this cool math trick. The way to minus ...

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Jan 13, 2011 ... How to Add or Subtract Mixed Numbers. 2:59 ... Add and Subtract Fractions (The
Easy Way) ... Subtracting Fractions with Unlike Denominators.

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Sep 2, 2014

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Sections: Reducing fractions, Mixed numbers and improper fractions, Multiplying
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Answer

To add or subtract fractions, they must have the same denominator. If they do not, make the least common multiple of all of the denominators the new denominator. After adding or subtracting, reduce your answer.

When giving the fractions like denominators, whatever number you multiply the old denominator of a fraction by, you must also multiply it by the numerator.

Sources:

See Also:
Least Common Denominators

More Info

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Practice

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This page will show you how to

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This is a bit tricky, but you'll think it's easy once you get used to it! Let's try this: 1/2 + 1/3. The main rule of this game is that we can't do anything until the ...